LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Copyright © Huawei Technologies Co., Ltd.
Before connecting cables, ensure that all ESS switches are OFF. Otherwise, the high
voltage of the ESS may result in electric shocks.
Before touching a conductor surface or terminal, measure the voltage at the contact point.
Ensure that the equipment or components to be repaired are properly grounded to avoid
electric shocks.
Device damage caused by incorrect cable connections is not covered under warranty.
Only certified electricians are allowed to connect cables.
Wear proper PPE at all time when connecting cables.
The cable colors shown in the electrical connection diagrams provided in this section are for reference
only. Select cables in accordance with local cable specifications. (Green-and-yellow cables are only used
for protective grounding.)
2.9.1 Preparing Cables
The cable diameter must comply with local cable standards. The factors that affect cable selection
include the rated current, cable type, routing mode, ambient temperature, and maximum expected line
loss.
Conductor
Cross-Sect
ional Area
PE cable for the rack
controller
Single-core
outdoor copper
cable
Prefabricated
DC power cable
(with a
corrugated pipe)
Delivered
with the
product
Auxiliary AC power cable
(with external grid power
supply)
Two-core (L,
N)/Three-core
(L, N, PE)
outdoor
copper/copper-c
lad
aluminum/alumi
num alloy cable
Cord end
terminal with
an insertion
depth of 12
mm, M8
OT/DT
terminal
Single-phase AC input
power cable (without
external grid power supply)
Two-core/Three
-core outdoor
copper/copper-c
lad
Pin cord end
terminal with
an insertion
depth of 12